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Finding the Fourth Proportional to 73,785.16, 110,753.07 and 54,004.96

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Solution

The fourth proportional to 73,785.16, 110,753.07 and 54,004.96 is: 81,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,785.16 : 110,753.07 = 54,004.96 : x
  2. Step 2: Convert to fraction form
    73,785.16/110,753.07 = 54,004.96/x
  3. Step 3: Cross multiply
    73,785.16x = 110,753.07 × 54,004.96
  4. Step 4: Simplify right side
    73,785.16x = 5,981,215,115.23
  5. Step 5: Solve for x
    x = 5,981,215,115.23/73,785.16
  6. Step 6: Final answer
    x = 81,062.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.